Let's teleport you to Xizang Autonomous Region, otherwise known as Tibet, in southwest China, where the air is thin, the winds are fierce, and the land is unforgiving. Farming there has always been a test of human will. Yet a team of farmers from Shandong Province, in the eastern part of the country, crossed mountains and storms to help local villagers build greenhouses on the plateau. On the show: Heyang, Steve Hatherly & Yushun.